Improvement in portable shelves and supports



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PARLEY ROOT, WESTON,.N'EW YORK.

Letters Patent No. 111,384, dated Januaryl, 1871.

IMPROVEMENT 1N PQR-TABLE sHELvEsfAno suPPoRrs.

The Schedule referred to in these Letters Patent and making part of the lama.

rlhe object of this invention is to provide eeuwenient and suitable means for supportingportable shelves; and

It consists of a lock-joint consisting of two pieces of metal, one of which is attached to the shelf and the other to` the wall or to any suitable' fixture,

bracket, or .article of furniture, 'one or more of said lock-joints being used for supporting the shelf, gis-will be hereinafter more fully described. In the accompanying drawing- Figure 1 represents a front view, showing the shel in dotted lines;

Figure 2 is a top view of the joint; and Figure 3 is a vertical vcross-section of iig. 2, on the linea; a7. y Y,

Similar letters of reference indicate corresponding parts. Y

This lock-joint or connection consists of two pieces, A and B.

The part A is attached to the wall, or to any fixture or bracket, by means of screws, as indicated in the'drawing, or'in any suitable manner.

B is attached to the under side of the shelf so as to .correspond -with 'the part A.'

Oris a flange which projects from A at a right angle therewith, which is recessed out, asseen in iig. 2, the

recess being beveling or larger at the upper side, as

indicatedlin dotted lines.

The part B is provided with tenons, D, ,which are made tot into therecesses in O. l

The shoulders E prevent the parts from being sep, arated by drawing horizontally, and'the beveled recesses and tenons prevent B from settling vdown below C. s

These lock-joints may be used not only at the ends of the shelf, but for supporting its middle and preventing sagging.

'lhis improvement is adapted to shelves in almost Yevery situation, and will be found cheap, simple, and

\Vitnesses H. O. VANDEYER, MULFORD GRAY. 

